package week2interface;

public class TestInterface {

	public static void main(String[] args) {
		College c = new College();
		addProvider(c);
		c.reuse();
		
		Person p = new Person();
		addProvider(p);
		p.reuse();
	}

	public static void addProvider(EnvStandard env) {
		env.clean();
		env.recycle();
	}
}
